Home / 240,181,805.80-360,272,708.70-221,475,082.60

Finding the Fourth Proportional to 240,181,805.80, 360,272,708.70 and 221,475,082.60

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Solution

The fourth proportional to 240,181,805.80, 360,272,708.70 and 221,475,082.60 is: 332,212,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,181,805.80 : 360,272,708.70 = 221,475,082.60 : x
  2. Step 2: Convert to fraction form
    240,181,805.80/360,272,708.70 = 221,475,082.60/x
  3. Step 3: Cross multiply
    240,181,805.80x = 360,272,708.70 × 221,475,082.60
  4. Step 4: Simplify right side
    240,181,805.80x = 79,791,427,917,858,240
  5. Step 5: Solve for x
    x = 79,791,427,917,858,240/240,181,805.80
  6. Step 6: Final answer
    x = 332,212,623.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.